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PA & Announcement System with Bluetooth Amplifier, 4 x PA Speakers, Stands, Flight Case & Microphone

by Adastra
Original price £1,499.00 (inc. VAT) - Original price £1,499.00 (inc. VAT)
Original price £1,499.00 (inc. VAT)
£1,499.00 (inc. VAT)
£1,499.00 (inc. VAT) - £1,499.00 (inc. VAT)
Current price £1,499.00 (inc. VAT)

This powerful PA & announcement system is great for live shows, outdoor events, functions and parties. It can also be used for high-quality music playback and comes with everything to get set up.

This kit is an all-in-one system designed for high-volume situations, such as parties, functions and outdoor events such as a small fair or show. It includes everything you need to get set up and playing.

Included in this kit:

  • 1x Adastra A4 PLUS Amplifier
  • 4x Citronic CASA 12 PA Speakers
  • 100m Speaker Cable
  • 4x Neutrik Speakon Connectors
  • 4x PA Speaker Stands with Bag
  • 1x Dual Wireless Handheld Microphone System
  • 1x 4U ABS Flight Case

The Adastra A4-PLUS and Citronic CASA 12 PA Speakers feature 4 x 300W of power, providing a high level of volume when needed. Thanks to the 12" driver, it also has a very deep bass response perfect for music. For music playback, the A4 PLUS amplifier includes Bluetooth as well as various line inputs.

The speakers can be mounted to the included stands which are height adjustable, and offer a sturdy way of placing the speakers just about anywhere.

The wireless mic system includes 2 x handheld microphones for making announcements. We also offer tie clip and headset microphones if these are required - please get in touch for more details.

To connect everything, the kit provides 100m of speaker cable with 4 x Speakon plugs to connect to the speakers, as well as a jack cable to connect the microphone receiver to the amplifier.

Adastra A4-PLUS Key Features:

  • Bluetooth connectivity built-in 
  • Independent stereo playback to 2 separate zones
  • Media player with USB/SD playback
  • FM radio tuner with external aerial connection
  • 19" Rack mountable (ears supplied)
  • Microphone Inputs
  • RCA & 1/4" Jack Line Inputs

Citronic CASA 12 Key Features:

  • Custom high-efficiency drivers
  • High impact moulded cabinet with side and top handles
  • 35mm pole mount socket



Microphone Frequency: 863.8MHz + 864.8MHz

Adastra A4 Mixer Amplifier Specifications

  • Power supply: 230Vac, 50Hz (IEC)
  • Power consumption max.: 360W
  • Fuse: F5A, 250V
  • Output power rms @ 4 Ohms: 4 x 200W
  • Output power rms @ 8 Ohms: 4 x 100W
  • Amplifier: construction: Class D
  • Frequency response: 20Hz - 20kHz ±0.5dB
  • Microphone inputs: 2 x 6.3mm jack (mono)
  • Line inputs: Line 1: L+R (6.3mm jack/RCA), Line 2: L+R (RCA)
  • Input sensitivity : line: 0.775Vrms
  • Auxiliary input: 3.5mm stereo jack
  • Input sensitivity : aux: 0.480Vrms
  • Input impedance: 20k Ohms (balanced), 10k Ohms (unbalanced)
  • Audio source: USB/SD mp3 playback, FM tuner, BT receiver
  • Input controls: Aux, Media, Line1, Line2, Mic1, Mic2, Talkover
  • Line output: 2 x RCA
  • Speaker outputs: 4mm binding posts (4 channels)
  • Antenna connection: F type (FM tuner)
  • Output controls: 2 x source select, 2 xBass, 2 xTreble, Ch1, Ch2, Ch3, Ch4
  • Dynamic range: 92dB
  • THD: +N <0.1%
  • Protection: Thermal, over-current, over-voltage, short-circuit
  • Dimensions: 482 x 240 x 88mm
  • Weight: 5.98kg

Citronic CASA 12 Specifications

  • Main driver: 3000mmØ (8")
  • Impedance: 8 Ohm
  • Voice coil: 75mmØ (2")
  • HF Driver: 35mmØ (1") Ti compression driver
  • Output power : rms: 300W
  • Output power : max.: 600W
  • Frequency response: 50 - 19kHz
  • Dimensions: 610 x 375 x 340mm
  • Weight: 11kg

Pulse ABS-4U ABS Flight Case Specifications

  • External Depth:  570mm
  • External Height:  540mm
  • Internal Height - Imperial:  8.46"
  • Internal Height - Metric:  215mm
  • Material:  ABS, Aluminium

PA Speaker Stands Specifications

  • Height: 1.1 - 1.9m
  • Max. weight load: 35kg
  • Tube: 35mmØ
  • Dimensions : collapsed: 1030 x 110 x 110mm
  • Weight: 3.1kg (per stand)
  • Dimensions: 1060 x 200 x 100mm (bag)

AudioKraft Apollo Cable Specifications

  • CSA: 2 x 1.15mm²
  • Strands: 2 x (25 x 0.18mmØCu + 20 x 0.18mmØCCA)
  • Dimensions: 7.8mmØ
  • Current: 15A max.
  • Sheath: Black or White
  • Length: Per metre
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